Cloves are tiny, aromatic flower buds with a surprisingly rich history in traditional cooking and herbal practices. Their warm, slightly sweet flavor makes them a popular spice in desserts, curries, teas, sauces, and savory dishes. But cloves are also known for containing naturally occurring plant compounds that have attracted scientific interest.
One of the most important compounds in cloves is eugenol, an aromatic compound with antioxidant and antimicrobial properties. While cloves should not be considered a cure for disease, incorporating them into a balanced diet can be an easy way to add flavor and beneficial plant compounds to everyday meals.
What Makes Cloves So Special?
Cloves come from the dried flower buds of the clove tree, Syzygium aromaticum. They are especially rich in aromatic oils, with eugenol being one of their major components.
Traditionally, cloves have been used in different cultures for culinary purposes as well as in herbal preparations. Today, researchers continue to investigate compounds found in cloves because of their antioxidant, antimicrobial, and anti-inflammatory potential.
That doesn’t mean cloves can replace medical treatment. Instead, think of them as a flavorful spice that can complement an overall healthy lifestyle.
1. Rich in Antioxidant Compounds
Our bodies naturally produce molecules called free radicals. When oxidative stress becomes excessive, it can contribute to cellular damage.
Cloves contain several compounds with antioxidant activity, including eugenol. Adding small amounts of cloves to foods or beverages can therefore contribute antioxidant plant compounds to the diet.
A varied diet containing fruits, vegetables, whole grains, nuts, seeds, and spices is a much better approach than relying on one particular ingredient for antioxidant protection.
2. May Support Oral Health
Cloves have traditionally been associated with oral care, particularly because of their aromatic oils.
Eugenol has antimicrobial properties and has been used in some dental preparations. Clove oil has also historically been used in dentistry, particularly in products designed to temporarily soothe tooth-related discomfort.
However, concentrated clove oil should not be applied directly to the gums or swallowed without appropriate guidance. Tooth pain can have an underlying cause such as decay, infection, or gum disease and should be evaluated by a dentist.
3. May Have Antimicrobial Properties
Laboratory research has found that compounds in cloves can act against certain microorganisms. This is one reason clove extracts and essential oils have attracted interest in food preservation and traditional remedies.
However, laboratory findings do not automatically mean that eating cloves will treat an infection in the human body.
For everyday use, cloves are best viewed as a culinary spice rather than an alternative to prescribed antimicrobial treatment.
4. May Support a Healthy Inflammatory Response
Some compounds found in cloves have demonstrated anti-inflammatory activity in laboratory and experimental research.
Inflammation itself is a normal part of the body’s defense system, but chronic inflammation can be associated with a variety of health problems.
Rather than expecting cloves to treat inflammation on their own, include them as part of an overall eating pattern rich in vegetables, fruits, legumes, whole grains, nuts, seeds, and other minimally processed foods.
5. A Flavorful Addition to Balanced Meals
One of the easiest ways to enjoy cloves is simply to use them in cooking.
Ground cloves can be added in small amounts to:
Oatmeal
Chai or spiced tea
Baked apples
Homemade muffins
Curries
Rice dishes
Soups and stews
Marinades
Pumpkin or squash recipes
Homemade spice blends
Because cloves have a powerful flavor, a little can go a long way.
Clove Tea: A Simple Way to Enjoy the Spice
Clove tea is a popular home preparation.
Ingredients
2–3 whole cloves
1 cup hot water
Optional: a small piece of cinnamon
Optional: lemon for flavor
Directions
Place the cloves in a cup and pour over hot water. Allow them to steep for approximately 5–10 minutes.
Remove the cloves before drinking. Add lemon or another preferred flavor if desired.
There is no need to make the tea extremely concentrated. More is not necessarily better when it comes to herbs and spices.
Can Cloves Help With Digestion?
Cloves have a long history of culinary and traditional use for digestive comfort. Their strong aromatic compounds may make them appealing after meals, and clove-containing beverages are commonly enjoyed in traditional food cultures.
However, evidence that cloves can specifically treat conditions such as chronic indigestion, ulcers, or acid reflux is limited. Persistent digestive symptoms should be discussed with a healthcare professional rather than treated exclusively with home remedies.
Cloves and Blood Sugar: What Do We Know?
Research has investigated whether compounds in cloves may influence glucose metabolism. Some laboratory and preliminary studies have produced interesting findings.
But this should not be interpreted as proof that cloves can control diabetes or replace medication.
People taking diabetes medication should be especially cautious about using concentrated herbal preparations or supplements without discussing them with their healthcare provider.
Whole Cloves vs. Clove Oil
These products are not interchangeable.
Whole cloves are a culinary spice and can generally be incorporated into food in small quantities.
Clove oil is highly concentrated. Essential oils contain much higher concentrations of active compounds than the spice itself and can cause irritation or toxicity if used incorrectly.
Avoid casually swallowing concentrated clove oil or using large amounts as a home remedy.
How Much Is Appropriate?
There is no universally established amount of cloves that everyone should consume for a particular health benefit.
For most people, using small culinary quantities is the simplest approach. If you’re considering concentrated clove supplements, extracts, or essential oil, speak with a qualified healthcare professional first.
Important Safety Considerations
Natural does not automatically mean risk-free.
Large amounts of cloves or concentrated clove products can cause problems, particularly because eugenol can affect the body in ways that are not desirable at high doses.
Extra caution is appropriate for people who:
Take blood-thinning or antiplatelet medicines
Have a bleeding disorder
Are preparing for surgery
Take medicines for diabetes
Have significant liver problems
Are pregnant or breastfeeding and considering concentrated supplements
Are considering giving clove preparations to children
Clove oil can be particularly potent and should be handled carefully.
The Bottom Line
Cloves are much more than a fragrant kitchen spice. They contain eugenol and other plant compounds that have demonstrated antioxidant and antimicrobial activity, making cloves an interesting subject of nutritional and scientific research.
But claims that cloves can make people “say goodbye to health issues” are too broad. No single spice can prevent or cure every health problem.
The best way to use cloves is as part of a varied, balanced diet. Enjoy their distinctive flavor in meals and beverages, while relying on appropriate medical care for persistent symptoms or diagnosed health conditions.
A small amount of this aromatic spice can add a lot of flavor—and potentially useful plant compounds—to your everyday diet.